Folding Bike Chain Tensioner Fastener Aluminum Alloy Bicycle Chain

--Single speed converter chain tensioner,great for mountain terrain bicycle.

--Floating pulley and spring adjust for perfect chain tension.

--Light weight and easy to install.

--Made of high luminum alloy material,ble in .

Descrtion:Name: Chain TensionerMaterial: aluminum alloyProduct No.: pullerColor:black,red,sierMaterial:aluminium alloyWeight:17g

Packing list:1 x Chain TensionerNote:Light shooting and different displays may ca the color of the item in the ture a little different from the real thing.Manual measuring,please allow 1~3mm error,thank you.